GitHub - mauronofrio/android_device_xiaomi_curtana: TWRP tree Unified for Xiaomi Redmi Note 9/9s/9Pro/9 Pro Max/Poco M2 Pro (curtana,gram,excalibur,joyeuse)
How to Install TWRP Recovery on Redmi Note 9/ Note 9 Pro - DroidWin
Install TWRP In Your Redmi Note 9 Pro And ROOT without any PC or Zip - YouTube
How to install TWRP Recovery on Redmi Note 9s/9 Pro (Curtana/Miatoll) - YouTube